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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
11/09/2004 |
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Data da última atualização: |
03/04/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
ALBUQUERQUE, S. G. de; SANTOS, D. C. dos. |
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Afiliação: |
SEVERINO GONZAGA DE ALBUQUERQUE, CPATSA; DJALMA C. DOS SANTOS, IPA. |
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Título: |
Evaluation of six nopal (Opuntia spp.) varieties for fodder production in the semi-arid Northeast, Brazil. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: CONGRESO NACIONAL, 10.; CONGRESO INTERNACIONAL SOBRE CONOCIMIENTO Y APROVECHAMIENTO DEL NOPAL Y OTRAS CACTACEAS DE VALOR ECONÓMICO, 8.; INTERNATIONAL CONGRESS ON CACTUS PEAR AND COCHINEAL, 5., 2004, Chapingo. Memorias... Chapingo: Universidad Autonoma Chapingo, 2004. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
The main problems associated with production of fodder nopal in the Sertão region, Semi-arid Northeast, Brazil, are poor soils, high minimum temperature (above 20.5o C), and the armored scale insect (Diaspis echinocacti - Bouchè). A field trial was established in Petrolina, State of Pernambuco ( average rainfall 552.2 mm, 80% available from December to April) in April 2000. Six varieties were tested: three local varieties, ?Gigante?, the most cultivated, ?Redonda? (both Opuntia ficus-indica) and ?Doce? (Nopalea cochenillifera); the Clone IPA-20, furnished by IPA, a local research institution; two varieties provided by the Universidad. Autonoma de Chapingo, Mexico, COPENA F1 and COPENA V1. The experimental design was a CRB , with three replications. The plots had 16 m2 (four rows with eight plants/row) planting density was 20.000, plants/ha, for evaluation, only six plants of each central line were considered Manure was applied on biannual basis, at the rate of 2.86 kg/m. Weeding was performed manually. After four years (May 2004), the first harvest was done, collecting all fresh material except the basal cladode and the first layer of pads.. Annual fresh matter (FM) production was calculated dividing total yield by four. Mean production was 65.36 ± 22.99 ton FM/ha/year (CV = 35.17%). Varieties yields were: ?Gigante? nopal, 103.80 ton; ?Redonda? nopal, 78.04 ton; COPENA F1, 77.54 ton; Clone IPA-20, 74.15 ton; COPENA V1, 34.19 ton; ?Doce? nopal, 24.40 ton. ?Gigante? nopal was significantly superior (P<0.05) to the two last varieties, and ?Doce? nopal was inferior to all varieties. Height, longitudinal and transversal canopy diameters were, respectively: ?Gigante? nopal, 1.54, 1.09 and 1.08 m; ?Redonda? nopal, 1.07, 1.07 and 0.98 m; COPENA F1, 1.73, 1.08 and 0.90 m; Clone IPA-20, 1.38, 1.11 and 0.99 m; COPENA V1, 1.28, 0.91, 0.76 m; ?Doce? nopal, 1.06, 1.07, and 0.99 m. Other data that, such as, protein and fiber levels, might indicate that highest production does not assure the best variety for the region. COPENA F1 having shorter canopy diameter, in comparison to ?Gigante? nopal (0.90 vs. 1.08 m) would make it more s MenosThe main problems associated with production of fodder nopal in the Sertão region, Semi-arid Northeast, Brazil, are poor soils, high minimum temperature (above 20.5o C), and the armored scale insect (Diaspis echinocacti - Bouchè). A field trial was established in Petrolina, State of Pernambuco ( average rainfall 552.2 mm, 80% available from December to April) in April 2000. Six varieties were tested: three local varieties, ?Gigante?, the most cultivated, ?Redonda? (both Opuntia ficus-indica) and ?Doce? (Nopalea cochenillifera); the Clone IPA-20, furnished by IPA, a local research institution; two varieties provided by the Universidad. Autonoma de Chapingo, Mexico, COPENA F1 and COPENA V1. The experimental design was a CRB , with three replications. The plots had 16 m2 (four rows with eight plants/row) planting density was 20.000, plants/ha, for evaluation, only six plants of each central line were considered Manure was applied on biannual basis, at the rate of 2.86 kg/m. Weeding was performed manually. After four years (May 2004), the first harvest was done, collecting all fresh material except the basal cladode and the first layer of pads.. Annual fresh matter (FM) production was calculated dividing total yield by four. Mean production was 65.36 ± 22.99 ton FM/ha/year (CV = 35.17%). Varieties yields were: ?Gigante? nopal, 103.80 ton; ?Redonda? nopal, 78.04 ton; COPENA F1, 77.54 ton; Clone IPA-20, 74.15 ton; COPENA V1, 34.19 ton; ?Doce? nopal, 24.40 ton. ?Gigante? nopal was ... Mostrar Tudo |
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Palavras-Chave: |
Gigante Nepal; Opuntia spp; Região semi-árida. |
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Thesagro: |
Palma Forrageira; Produção; Variedade. |
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Thesaurus Nal: |
Opuntia. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184375/1/OPB615.pdf
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Marc: |
LEADER 03010nam a2200217 a 4500
001 1154342
005 2024-04-03
008 2004 bl uuuu u00u1 u #d
100 1 $aALBUQUERQUE, S. G. de
245 $aEvaluation of six nopal (Opuntia spp.) varieties for fodder production in the semi-arid Northeast, Brazil.
260 $aIn: CONGRESO NACIONAL, 10.; CONGRESO INTERNACIONAL SOBRE CONOCIMIENTO Y APROVECHAMIENTO DEL NOPAL Y OTRAS CACTACEAS DE VALOR ECONÓMICO, 8.; INTERNATIONAL CONGRESS ON CACTUS PEAR AND COCHINEAL, 5., 2004, Chapingo. Memorias... Chapingo: Universidad Autonoma Chapingo$c2004
300 $c1 CD-ROM.
520 $aThe main problems associated with production of fodder nopal in the Sertão region, Semi-arid Northeast, Brazil, are poor soils, high minimum temperature (above 20.5o C), and the armored scale insect (Diaspis echinocacti - Bouchè). A field trial was established in Petrolina, State of Pernambuco ( average rainfall 552.2 mm, 80% available from December to April) in April 2000. Six varieties were tested: three local varieties, ?Gigante?, the most cultivated, ?Redonda? (both Opuntia ficus-indica) and ?Doce? (Nopalea cochenillifera); the Clone IPA-20, furnished by IPA, a local research institution; two varieties provided by the Universidad. Autonoma de Chapingo, Mexico, COPENA F1 and COPENA V1. The experimental design was a CRB , with three replications. The plots had 16 m2 (four rows with eight plants/row) planting density was 20.000, plants/ha, for evaluation, only six plants of each central line were considered Manure was applied on biannual basis, at the rate of 2.86 kg/m. Weeding was performed manually. After four years (May 2004), the first harvest was done, collecting all fresh material except the basal cladode and the first layer of pads.. Annual fresh matter (FM) production was calculated dividing total yield by four. Mean production was 65.36 ± 22.99 ton FM/ha/year (CV = 35.17%). Varieties yields were: ?Gigante? nopal, 103.80 ton; ?Redonda? nopal, 78.04 ton; COPENA F1, 77.54 ton; Clone IPA-20, 74.15 ton; COPENA V1, 34.19 ton; ?Doce? nopal, 24.40 ton. ?Gigante? nopal was significantly superior (P<0.05) to the two last varieties, and ?Doce? nopal was inferior to all varieties. Height, longitudinal and transversal canopy diameters were, respectively: ?Gigante? nopal, 1.54, 1.09 and 1.08 m; ?Redonda? nopal, 1.07, 1.07 and 0.98 m; COPENA F1, 1.73, 1.08 and 0.90 m; Clone IPA-20, 1.38, 1.11 and 0.99 m; COPENA V1, 1.28, 0.91, 0.76 m; ?Doce? nopal, 1.06, 1.07, and 0.99 m. Other data that, such as, protein and fiber levels, might indicate that highest production does not assure the best variety for the region. COPENA F1 having shorter canopy diameter, in comparison to ?Gigante? nopal (0.90 vs. 1.08 m) would make it more s
650 $aOpuntia
650 $aPalma Forrageira
650 $aProdução
650 $aVariedade
653 $aGigante Nepal
653 $aOpuntia spp
653 $aRegião semi-árida
700 1 $aSANTOS, D. C. dos
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Registro original: |
Embrapa Semiárido (CPATSA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
30/03/2009 |
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Data da última atualização: |
30/06/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
KITAJIMA, E. W.; CALEGARIO, R. F.; NOVELLI, V. M.; LOCALI-FABRIS, E. C.; BASTIANEL, M.; FRANCISCHINI, F.; FREITAS-ASTUA, J. |
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Afiliação: |
Elliot Watanabe Kitajima, ESALQ; R. F. Calegario, ESALQ; Valdenice Moreira Novelli, APTA; Eliane Cristina Locali-Fabris, APTA; Marinês Bastianel, APTA; F. Francischini, Alellyx Genomics; Juliana Freitas-Ástua, CNPMF. |
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Título: |
In situ detection and immunolocalization of the Citrus leprosis virus cytoplasmic type (CiLV) in the mite vector and evidences that the virus/vector relationship is of circulative type. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL SCIENTIFIC SEMINAR ON PLANT HEALTH, 6.; LATIN AMERICAN AND CARIBBEAN SYMPOSIUM, 2., 2008, La Habana, Cuba. Acarina Biodiversity: their use, protection and conservation. Havana, [s.n.], 2008. |
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Descrição Física: |
1 CD ROM |
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Idioma: |
Inglês |
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Conteúdo: |
Among the Brevipalpus (Acari: Tenuipalpidae)-transmitted plant viruses (BTV), citrus leprosis, cytoplasmic type (CiLV-C) is, by far, the most important. It causes localized lesions on the leaves, stems, and fruits and untreated plants may die within few years. Progresses have been made on the nature of CiLV-C. Infection by the virus induces a characteristic eletron dense and vacuolated inclusion (viroplasm) in the cytoplasm and the occurence of short, bacilliform virions of CiLV-C within endoplasmic reticulum. Its genome was completely sequenced being a bipartite (6 and 9 kb) positive sense ssRNA with a poly-A tail, different from other known viruses and a new genus Cilevirus was proposed for CiLV-C. Primers were designed for specific detection of CiLV-C and some of the viral proteins were expressed in vitro, including nucleocapsid (NC) protein and a specific antibody is available. The precise relationship between CiLV-C and its vector B. phoenicis has remained unclear. Recent works permitted to detect CiLV-C in the mite by RT - PCR and RT -qPCR assays suggest that the virus does not replicate in the mite. Transmission assays revealing that larvae and nymphs are also able to transmit CiLV-C are considered additional evidences for the absence of replication of the virus in the mite. Transmission electron microscopy of sections of viruliferous B. phoenicis allowed the visualization of virus-like particles as seen in the plant cells, in the mite bodies. they consistently occurred between membranes of adjacent cells near the midgut and prosomal gland. Anti-NC antibodies specifically labeled these particles both in the plant and in the mite thus confirming their viral nature. Viroplasmas, present in infected plant cells, are also immunolabeled by anti-NC antibody, but they were not found in the mite tissues. A possible mechanism to explain the viral presence between cells, similar to diapedesis of the leucocytes in blood vessels, is being suggested. These cytological evidences in the mite reinforce the concept that the CiLV-C/Brevipalpus relation is of circulative rather than replicative type. This information is relevant for epidemiology and control strategies. MenosAmong the Brevipalpus (Acari: Tenuipalpidae)-transmitted plant viruses (BTV), citrus leprosis, cytoplasmic type (CiLV-C) is, by far, the most important. It causes localized lesions on the leaves, stems, and fruits and untreated plants may die within few years. Progresses have been made on the nature of CiLV-C. Infection by the virus induces a characteristic eletron dense and vacuolated inclusion (viroplasm) in the cytoplasm and the occurence of short, bacilliform virions of CiLV-C within endoplasmic reticulum. Its genome was completely sequenced being a bipartite (6 and 9 kb) positive sense ssRNA with a poly-A tail, different from other known viruses and a new genus Cilevirus was proposed for CiLV-C. Primers were designed for specific detection of CiLV-C and some of the viral proteins were expressed in vitro, including nucleocapsid (NC) protein and a specific antibody is available. The precise relationship between CiLV-C and its vector B. phoenicis has remained unclear. Recent works permitted to detect CiLV-C in the mite by RT - PCR and RT -qPCR assays suggest that the virus does not replicate in the mite. Transmission assays revealing that larvae and nymphs are also able to transmit CiLV-C are considered additional evidences for the absence of replication of the virus in the mite. Transmission electron microscopy of sections of viruliferous B. phoenicis allowed the visualization of virus-like particles as seen in the plant cells, in the mite bodies. they consistently occurr... Mostrar Tudo |
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Thesagro: |
Ácaro; Vírus. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03084nam a2200217 a 4500
001 1655634
005 2023-06-30
008 2008 bl uuuu u00u1 u #d
100 1 $aKITAJIMA, E. W.
245 $aIn situ detection and immunolocalization of the Citrus leprosis virus cytoplasmic type (CiLV) in the mite vector and evidences that the virus/vector relationship is of circulative type.$h[electronic resource]
260 $aIn: INTERNATIONAL SCIENTIFIC SEMINAR ON PLANT HEALTH, 6.; LATIN AMERICAN AND CARIBBEAN SYMPOSIUM, 2., 2008, La Habana, Cuba. Acarina Biodiversity: their use, protection and conservation. Havana, [s.n.]$c2008
300 $c1 CD ROM
520 $aAmong the Brevipalpus (Acari: Tenuipalpidae)-transmitted plant viruses (BTV), citrus leprosis, cytoplasmic type (CiLV-C) is, by far, the most important. It causes localized lesions on the leaves, stems, and fruits and untreated plants may die within few years. Progresses have been made on the nature of CiLV-C. Infection by the virus induces a characteristic eletron dense and vacuolated inclusion (viroplasm) in the cytoplasm and the occurence of short, bacilliform virions of CiLV-C within endoplasmic reticulum. Its genome was completely sequenced being a bipartite (6 and 9 kb) positive sense ssRNA with a poly-A tail, different from other known viruses and a new genus Cilevirus was proposed for CiLV-C. Primers were designed for specific detection of CiLV-C and some of the viral proteins were expressed in vitro, including nucleocapsid (NC) protein and a specific antibody is available. The precise relationship between CiLV-C and its vector B. phoenicis has remained unclear. Recent works permitted to detect CiLV-C in the mite by RT - PCR and RT -qPCR assays suggest that the virus does not replicate in the mite. Transmission assays revealing that larvae and nymphs are also able to transmit CiLV-C are considered additional evidences for the absence of replication of the virus in the mite. Transmission electron microscopy of sections of viruliferous B. phoenicis allowed the visualization of virus-like particles as seen in the plant cells, in the mite bodies. they consistently occurred between membranes of adjacent cells near the midgut and prosomal gland. Anti-NC antibodies specifically labeled these particles both in the plant and in the mite thus confirming their viral nature. Viroplasmas, present in infected plant cells, are also immunolabeled by anti-NC antibody, but they were not found in the mite tissues. A possible mechanism to explain the viral presence between cells, similar to diapedesis of the leucocytes in blood vessels, is being suggested. These cytological evidences in the mite reinforce the concept that the CiLV-C/Brevipalpus relation is of circulative rather than replicative type. This information is relevant for epidemiology and control strategies.
650 $aÁcaro
650 $aVírus
700 1 $aCALEGARIO, R. F.
700 1 $aNOVELLI, V. M.
700 1 $aLOCALI-FABRIS, E. C.
700 1 $aBASTIANEL, M.
700 1 $aFRANCISCHINI, F.
700 1 $aFREITAS-ASTUA, J.
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